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WATER I ENERGY I LIF E <br />RIVERSIDE PUBLIC UTILITIES <br />CITY OF <br />Board Memorandum <br />PUBLIC UTILITIES oa d Mem o an du <br />BOARD OF PUBLIC UTILITIES DATE: JUNE 12, 2017 <br />GENERAL MANAGERS REPORT <br />ITEM NO: 24 <br />SUBJECT: MONTHLY POWER SUPPLY REPORT — April 2017 <br />Power Usage: <br />Wholesale Load (Vista): — 155,664 MWH (Chart 1) <br />Peak Demand: — 318 MW of which 195 MW came from RVSD available resources (Chart 2) <br />RVSD Energy Mix (Chart 1): <br />Resource MWH <br />a) <br />Nuclear <br />6,206 <br />b) <br />Coal <br />19,173 <br />c) <br />Large Hydroelectric <br />3,281 <br />d) <br />Natural Gas <br />4,822 <br />e) <br />Renewables <br />69,409 <br />f) <br />Inter SC Trades <br />46,010 <br />g) <br />Green Inter SC Trades <br />- <br />h) <br />CAISO Purchases <br />6,703 <br />Total: <br />155,664 <br />Total Green Power Supply — 69,409 MWH which yields 44.59% of the Total Wholesale Load Requirement <br />Resource Availability: <br />Nuclear: Palo Verde units 1, 2 and 3 operated at 66.30% capacity factor for the month <br />Coal: IPP units 1 and 2 operated at 19.44% capacity factor for the month. <br />Large Hydro: Hoover, RVSD's capacity entitlement was 21 MW, with energy entitlement of 3,281 MWH <br />Natural Gas: Clearwater's availability was 100.00% for the month <br />RERC's (Units 1, 2, 3 and 4) availability was 99.63% for the month. <br />Springs's (Units 1, 2, 3 and 4) availability was 99.85% for the month. <br />Renewable: <br />Salton Sea units operated at 88.77% capacity factor for the month. <br />Vulcan unit operated at 49.39% capacity factor for the month. <br />Wintec operated at 48.19% capacity factor. <br />WKN operated at 46.83% capacity factor. <br />Transwind operated at 20.31 % capacity factor. <br />Kingbird Solar operated at 38.42% capacity factor. <br />Tequesquite Solar operated at 28.53% capacity factor. <br />AP North Lake Solar operated at 30.94% capacity factor. <br />Camelot Solar2 operated at 35.46% capacity factor. <br />Bigsky Solarl X operated at 37.19% capacity factor. <br />Bigsky Solar3 operated at 37.08% capacity factor. <br />Bigsky Solar7 operated at 36.97% capacity factor. <br />The attached graphical comparisons represents RPU's April: <br />Chart 1: <br />Total Energy Requirements/Resource Mix <br />Chart 2: <br />Peak Hour Total Capacity <br />Chart 3: <br />Retail Customer Load <br />Chart 4: <br />Daily Peak Load and Temperature Comparisons <br />Chart 5: <br />Monthly Peak Load and Temperature <br />